SDR AALA202210071346

Service difficulty report · Controller · Boeing 777223

Difficulty date: October 5, 2022
Submitted: October 7, 2022
Operation: Air carrier
Aircraft: N753AN
Make and model: Boeing 777223
Aircraft serial: 30261
Aircraft time: 82,166 hours, 10,521 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Controller
Condition: None
Location: Zone 400 - Nac/P
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO JFK DUE TO "BLEED HPSOV L" MESSAGE. EMERGENCY WAS NOT DECLARED. REMOVED AND REPLACED HIGH PRESSURE SHUT OFF VALVE (AALA202210077042) PER AMM 36-11-07. REMOVED AND REPLACED HIGH PRESSURE FAN AIR CONTROLLER (AALA202210071346) PER AMM 36-11-08.